As the name suggests, the combination screw is a screw with a spring washer and a flat washer, and then combined with a screw thread. The combination screw is divided into iron and stainless steel. For iron, there are screw wires 1010, 1018, 10B21 and other screw materials, iron piers generally need to be electroplated, and electroplating is divided into environmental protection and ordinary.
The mechanical properties of the combination screw will be stronger, and the fastening will be convenient. The combination screw can make the production line operate more quickly and conveniently, and the work efficiency is high. The combination screw manufacturer recommends using the standard, but the standard cannot be used, and it can only cost more. Customized, and such combination screw manufacturers are not easy to find.
The general screws are basically used on the above industrial products, and the combination screws are used on specific product materials. Only when the spring washers and flat washers are required, the combination screws are required.
In fact, the feature of the combination screw is that it is equipped with the corresponding washer, which is very convenient to use.
Combination screws are generally surface treated, with high gloss, no trachoma, and smooth interface, which is a good quality.